Single-Blade Sway Back Jack Knife designed by Tony Bose. 3-1/8 inches closed. 5-1/2 inches open. Made in USA. " CASE XX x x " (with lightning bolt S) and "USA T.B.62117 SS" tang stamps. Red oval long-C "CASE XX" shield. Stainless Steel blade. Blue jigged bone handle. Nickel Silver bolsters. Brass liner.